Rock Identifier
Larimar (Pectolite (NaCa2Si3O8(OH))) — gemstone
gemstone

Larimar

Pectolite (NaCa2Si3O8(OH))

AI-generated identification · may be incorrect

Hardness of 4.5 to 5 on the Mohs scale, exhibiting distinct oceanic blue to turquoise colors with white fibrous patterns. It has a vitreous to silky luster and belongs to the triclinic crystal system.

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Physical properties

Hardness of 4.5 to 5 on the Mohs scale, exhibiting distinct oceanic blue to turquoise colors with white fibrous patterns. It has a vitreous to silky luster and belongs to the triclinic crystal system.

Formation & geological history

Formed within cavities of basaltic volcanic rocks through hydrothermal precipitation, found exclusively in the Dominican Republic.

Uses & applications

Widely utilized as a semi-precious gemstone in high-end artisan jewelry, pendants, and ornamental carvings.

Geological facts

Also known as the Atlantis Stone, larimar was only officially discovered and named in 1974 by a local artisan and volunteer.

Field identification & locations

Easily identified by its unique mottled blue wave-like patterns resembling Caribbean water; collected heavily in its native Dominican Republic.